/* ═══════════════════════════════════════════════════════════════════════════
   WORLDBRAIN MÉXICO - SISTEMA DE DISEÑO PARA PÁGINAS DE CURSOS
   MatheKids, Homeschool Veloz, Robotics Code
   Diseño Premium 2025 con Variables Temáticas
   ═══════════════════════════════════════════════════════════════════════════ */

/* ═══════════════════════════════════════════════════════════════════════════
   VARIABLES GLOBALES DE CURSOS
   ═══════════════════════════════════════════════════════════════════════════ */
:root {
    /* Base Colors */
    --course-bg: #030712;
    --course-surface: #111827;
    --course-surface-light: #1f2937;
    --course-text: #f8fafc;
    --course-text-muted: #94a3b8;
    --course-border: rgba(255, 255, 255, 0.08);

    /* Shadows */
    --course-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --course-glow: 0 0 60px var(--course-accent-glow);

    /* Transitions */
    --course-transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);

    /* Radius */
    --course-radius: 24px;
    --course-radius-sm: 12px;
    --course-radius-full: 9999px;
}

/* ═══════════════════════════════════════════════════════════════════════════
   MATHEKIDS - TEMA NARANJA/DORADO (Diversión, Energía)
   ═══════════════════════════════════════════════════════════════════════════ */
.mk-page {
    --course-accent: #f59e0b;
    --course-accent-light: #fbbf24;
    --course-accent-glow: rgba(245, 158, 11, 0.4);
    --course-gradient: linear-gradient(135deg, #f59e0b 0%, #f97316 50%, #ea580c 100%);
    --course-gradient-bg: linear-gradient(135deg, #030712 0%, #1c1917 50%, #030712 100%);
}

/* --- MATH KIDS BACKGROUNDS --- */
.mk-page .benefits-section {
    background: linear-gradient(rgba(3, 7, 18, 0.95), rgba(3, 7, 18, 0.95)), url('../images/mk-benefits-bg.webp');
    background-size: cover;
    background-position: center;
}

.mk-page .levels-section {
    background: linear-gradient(rgba(3, 7, 18, 0.9), rgba(3, 7, 18, 0.9)), url('../images/mk-levels-bg.webp');
    background-size: cover;
    background-position: center;
}

.mk-page .testimonials-section {
    background: linear-gradient(rgba(3, 7, 18, 0.95), rgba(3, 7, 18, 0.95)), url('../images/mk-testimonials-bg.webp');
    background-size: cover;
    background-position: center;
}

.mk-page .enrollment-section {
    background: linear-gradient(rgba(3, 7, 18, 0.95), rgba(3, 7, 18, 0.95)), url('../images/mk-enroll-bg.webp');
    background-size: cover;
    background-position: center;
}

.mk-page {
    background: var(--course-gradient-bg);
    color: var(--course-text);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

.mk-badge {
    background: rgba(245, 158, 11, 0.15) !important;
    border-color: rgba(245, 158, 11, 0.3) !important;
}

.mk-gradient .gradient-text {
    background: var(--course-gradient) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
}

.mk-cta {
    background: var(--course-gradient) !important;
    box-shadow: 0 10px 40px var(--course-accent-glow) !important;
}

.mk-cta:hover {
    box-shadow: 0 20px 60px var(--course-accent-glow) !important;
}

/* MatheKids Badge Alt (for sections) */
.mk-badge-alt {
    background: rgba(245, 158, 11, 0.1) !important;
    border: 1px solid rgba(245, 158, 11, 0.3) !important;
    color: #fbbf24 !important;
}

/* MatheKids page gradient text override */
.mk-page .gradient-text {
    background: linear-gradient(135deg, #f59e0b 0%, #f97316 50%, #fbbf24 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* MatheKids specific overrides */
.mk-page .benefit-number {
    color: rgba(245, 158, 11, 0.08);
}

.mk-page .benefit-icon {
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
    box-shadow: 0 10px 30px rgba(245, 158, 11, 0.4);
}

/* ═══════════════════════════════════════════════════════════════════════════
   HOMESCHOOL - TEMA VERDE (Crecimiento, Confianza, Naturaleza)
   ═══════════════════════════════════════════════════════════════════════════ */
.hs-page {
    --course-accent: #10b981;
    --course-accent-light: #34d399;
    --course-accent-glow: rgba(16, 185, 129, 0.4);
    --course-gradient: linear-gradient(135deg, #10b981 0%, #059669 50%, #047857 100%);
    --course-gradient-bg: linear-gradient(135deg, #030712 0%, #022c22 50%, #030712 100%);
}

.hs-page {
    background: linear-gradient(rgba(3, 7, 18, 0.97), rgba(4, 44, 34, 0.95)), url('../images/hs-bg-texture.jpeg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;

    color: var(--course-text);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}


.hs-badge {
    background: rgba(16, 185, 129, 0.15) !important;
    border-color: rgba(16, 185, 129, 0.3) !important;
}

.hs-gradient .gradient-text {
    background: var(--course-gradient) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
}

.hs-cta {
    background: var(--course-gradient) !important;
    box-shadow: 0 10px 40px var(--course-accent-glow) !important;
}

.hs-cta:hover {
    box-shadow: 0 20px 60px var(--course-accent-glow) !important;
}

.hs-orb {
    background: radial-gradient(circle, var(--course-accent-glow) 0%, transparent 70%) !important;
}

/* Homeschool Badge Alt (for sections) */
.hs-badge-alt {
    background: rgba(16, 185, 129, 0.1) !important;
    border: 1px solid rgba(16, 185, 129, 0.3) !important;
    color: #34d399 !important;
}

/* Homeschool page gradient text override */
.hs-page .gradient-text {
    background: linear-gradient(135deg, #10b981 0%, #34d399 50%, #059669 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Badge verificado */
.badge-verified {
    background: var(--course-accent);
    color: white;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    margin-left: 8px;
}

/* ═══════════════════════════════════════════════════════════════════════════
   ROBOTICS CODE - TEMA CIAN/NEÓN (Tecnología, Futuro, Innovación)
   ═══════════════════════════════════════════════════════════════════════════ */
.rb-page {
    --course-accent: #06b6d4;
    --course-accent-light: #22d3ee;
    --course-accent-glow: rgba(6, 182, 212, 0.4);
    --course-gradient: linear-gradient(135deg, #06b6d4 0%, #0891b2 50%, #0e7490 100%);
    --course-gradient-bg: linear-gradient(135deg, #030712 0%, #082f49 50%, #030712 100%);
    --course-neon: #00ff88;
}

/* --- ROBOTICS CODE BACKGROUNDS --- */
.rb-page .why-code-section {
    background: linear-gradient(rgba(3, 7, 18, 0.95), rgba(3, 7, 18, 0.95)), url('../images/rb-why-bg.webp');
    background-size: cover;
    background-position: center;
}

.rb-page .courses-section {
    background: linear-gradient(rgba(3, 7, 18, 0.95), rgba(3, 7, 18, 0.9)), url('../images/rb-courses-bg.webp');
    background-size: cover;
    background-position: center;
}

.rb-page .rb-booking-section {
    background: linear-gradient(rgba(3, 7, 18, 0.9), rgba(124, 58, 237, 0.1)), url('../images/rb-booking-bg.webp') !important;
    background-size: cover !important;
    background-position: center !important;
}

.rb-page {
    background: var(--course-gradient-bg);
    color: var(--course-text);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

.rb-badge {
    background: rgba(6, 182, 212, 0.15) !important;
    border-color: rgba(6, 182, 212, 0.3) !important;
}

.rb-badge .rb-dot {
    background: var(--course-neon) !important;
    box-shadow: 0 0 10px var(--course-neon) !important;
}

.rb-gradient .gradient-text {
    background: var(--course-gradient) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
}

/* Robotics page gradient text override */
.rb-page .gradient-text {
    background: linear-gradient(135deg, #06b6d4 0%, #22d3ee 50%, #00ff88 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.rb-cta {
    background: var(--course-gradient) !important;
    box-shadow: 0 10px 40px var(--course-accent-glow) !important;
}

.rb-cta:hover {
    box-shadow: 0 20px 60px var(--course-accent-glow) !important;
}

.rb-orb {
    background: radial-gradient(circle, var(--course-accent-glow) 0%, transparent 70%) !important;
}

/* Logo especial robotics */
.rb-logo .code-text {
    color: var(--course-neon);
    font-family: 'JetBrains Mono', monospace;
}

/* Efectos de circuito */
.circuit-lines {
    position: absolute;
    inset: 0;
    overflow: hidden;

    /* ═══════════════════════════════════════════════════════════════════════════
   JUNIORMATH - TEMA AZUL/INDIGO (Precisión, Confianza)
   ═══════════════════════════════════════════════════════════════════════════ */
    .jm-page {
        --course-accent: #2563eb;
        --course-accent-light: #60a5fa;
        --course-accent-glow: rgba(37, 99, 235, 0.35);
        --course-gradient: linear-gradient(135deg, #1d4ed8 0%, #2563eb 50%, #0ea5e9 100%);
        --course-gradient-bg: linear-gradient(145deg, #030712 0%, #0a1224 45%, #030712 100%);
    }

    .jm-page {
        background: var(--course-gradient-bg);
        color: var(--course-text);
        font-family: 'Inter', system-ui, -apple-system, sans-serif;
    }

    .jm-badge {
        background: rgba(37, 99, 235, 0.14) !important;
        border-color: rgba(37, 99, 235, 0.3) !important;
    }

    .jm-gradient .gradient-text {
        background: var(--course-gradient) !important;
        -webkit-background-clip: text !important;
        -webkit-text-fill-color: transparent !important;
        background-clip: text !important;
    }

    .jm-cta {
        background: var(--course-gradient) !important;
        box-shadow: 0 12px 42px var(--course-accent-glow) !important;
    }

    .jm-cta:hover {
        box-shadow: 0 18px 60px var(--course-accent-glow) !important;
    }

    .jm-badge-alt {
        background: rgba(37, 99, 235, 0.1) !important;
        border: 1px solid rgba(37, 99, 235, 0.3) !important;
        color: #93c5fd !important;
    }

    pointer-events: none;
    opacity: 0.2;
}

.circuit-svg {
    width: 100%;
    height: 100%;
}

.circuit-path {
    fill: none;
    stroke: var(--course-accent);
    stroke-width: 0.5;
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
    animation: circuitDraw 3s ease-out forwards;
}

.circuit-path.delay-1 {
    animation-delay: 0.5s;
}

.circuit-path.delay-2 {
    animation-delay: 1s;
}

@keyframes circuitDraw {
    to {
        stroke-dashoffset: 0;
    }
}

/* Código flotante */
.floating-code {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.code-line {
    position: absolute;
    left: var(--x);
    top: var(--y);
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.5rem;
    color: var(--course-accent);
    opacity: 0.2;
    animation: codeFloat 6s ease-in-out infinite;
    animation-delay: var(--delay);
}

@keyframes codeFloat {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
        opacity: 0.2;
    }

    50% {
        transform: translateY(-20px) rotate(5deg);
        opacity: 0.4;
    }
}

/* Efecto typing */
.typing-effect {
    display: inline;
}

.typing-cursor {
    display: inline-block;
    color: var(--course-accent);
    animation: cursorBlink 1s step-end infinite;
    font-weight: 100;
}

@keyframes cursorBlink {

    0%,
    50% {
        opacity: 1;
    }

    51%,
    100% {
        opacity: 0;
    }
}

/* Grid especial robotics */
.rb-grid {
    background-image:
        linear-gradient(var(--course-accent-glow) 1px, transparent 1px),
        linear-gradient(90deg, var(--course-accent-glow) 1px, transparent 1px) !important;
    background-size: 40px 40px !important;
}

/* Robotics Badge Alt (for sections) */
.rb-badge-alt {
    background: rgba(6, 182, 212, 0.1) !important;
    border: 1px solid rgba(6, 182, 212, 0.3) !important;
    color: #22d3ee !important;
}

/* Robotics Scroll Indicator */
.rb-scroll {
    color: var(--course-accent);
}

.rb-scroll span {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
}

/* Robotics Cards Specific */
.rb-card {
    border: 1px solid rgba(6, 182, 212, 0.3);
    background: rgba(6, 182, 212, 0.1);
    backdrop-filter: blur(10px);
}

.rb-card .card-icon {
    color: var(--course-neon);
}

.rb-card .card-value {
    color: var(--course-accent-light);
}

/* Robotics WhatsApp Button */
.rb-whatsapp {
    background: linear-gradient(135deg, #25D366, #128C7E) !important;
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3) !important;
}

/* Robotics Enrollment */
.rb-enrollment {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.05), rgba(0, 255, 136, 0.02)) !important;
    border-color: rgba(6, 182, 212, 0.3) !important;
}

.rb-enrollment::before {
    background: linear-gradient(90deg, #06b6d4, #00ff88) !important;
}

.rb-price {
    border-color: rgba(6, 182, 212, 0.3) !important;
}

.rb-enroll-cta {
    background: linear-gradient(135deg, #25D366, #128C7E) !important;
}

/* Robotics Footer */
.rb-footer {
    background: linear-gradient(180deg, var(--course-bg), #020617) !important;
}

/* Robotics CTA Secondary */
.rb-cta-secondary {
    border-color: var(--course-accent) !important;
    color: var(--course-accent) !important;
}

.rb-cta-secondary:hover {
    background: rgba(6, 182, 212, 0.1) !important;
}

/* Matrix Rain Effect */
.matrix-rain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.03;
}

/* ═══════════════════════════════════════════════════════════════════════════
   COMPONENTES COMPARTIDOS - NAVBAR
   ═══════════════════════════════════════════════════════════════════════════ */
.course-navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    background: transparent;
    transition: var(--course-transition);
}

.course-navbar.scrolled {
    background: rgba(3, 7, 18, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--course-border);
    padding: 16px 0;
}

.course-navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.course-logo {
    font-family: 'Poppins', sans-serif;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--course-text);
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--course-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: white;
}

.course-nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-link {
    color: var(--course-text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    text-decoration: none;
    transition: var(--course-transition);
    position: relative;
}

.nav-link:hover {
    color: var(--course-text);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--course-gradient);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.course-nav-cta {
    background: var(--course-gradient);
    color: white !important;
    padding: 12px 24px;
    border-radius: var(--course-radius-full);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--course-transition);
    box-shadow: 0 4px 15px var(--course-accent-glow);
}

.course-nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--course-accent-glow);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--course-text);
    transition: var(--course-transition);
}

/* ═══════════════════════════════════════════════════════════════════════════
   COMPONENTES COMPARTIDOS - HERO
   ═══════════════════════════════════════════════════════════════════════════ */
.course-hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    padding: 140px 0 80px;
    overflow: hidden;
}

/* Efectos de fondo */
.hero-bg-effects {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.6;
    animation: orbFloat 20s ease-in-out infinite;
}

.hero-orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--course-accent-glow) 0%, transparent 70%);
    top: -20%;
    right: -10%;
}

.hero-orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--course-accent-glow) 0%, transparent 70%);
    bottom: -10%;
    left: -10%;
    animation-delay: -7s;
}

.hero-orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--course-accent-glow) 0%, transparent 70%);
    top: 40%;
    left: 30%;
    animation-delay: -14s;
    opacity: 0.3;
}

@keyframes orbFloat {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    25% {
        transform: translate(30px, -30px) scale(1.05);
    }

    50% {
        transform: translate(-20px, 20px) scale(0.95);
    }

    75% {
        transform: translate(20px, 30px) scale(1.02);
    }
}

/* Números flotantes (MatheKids) */
.floating-numbers {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.floating-num {
    position: absolute;
    left: var(--x);
    top: var(--y);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: var(--course-accent);
    opacity: 0.15;
    animation: numFloat 8s ease-in-out infinite;
    animation-delay: var(--delay);
}

@keyframes numFloat {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(-30px) rotate(10deg);
    }
}

/* Iconos flotantes (Homeschool) */
.floating-icons {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.floating-icon {
    position: absolute;
    left: var(--x);
    top: var(--y);
    font-size: 2rem;
    color: var(--course-accent);
    opacity: 0.15;
    animation: iconFloat 7s ease-in-out infinite;
    animation-delay: var(--delay);
}

@keyframes iconFloat {

    0%,
    100% {
        transform: translateY(0) scale(1);
    }

    50% {
        transform: translateY(-25px) scale(1.1);
    }
}

/* Grid Pattern */
.grid-pattern {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

/* Hero Grid */
.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 2;
}

/* Hero Content */
.hero-content {
    position: relative;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px 10px 14px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--course-border);
    border-radius: var(--course-radius-full);
    margin-bottom: 32px;
    backdrop-filter: blur(10px);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--course-accent);
    border-radius: 50%;
    animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

.hero-badge i {
    color: var(--course-accent);
    font-size: 1rem;
}

.hero-badge span {
    color: var(--course-text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

.hero-title {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}

.title-line {
    display: block;
    color: var(--course-text);
}

.title-highlight {
    display: flex;
    align-items: center;
    gap: 16px;
}

.gradient-text {
    background: var(--course-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-emoji {
    font-size: 0.8em;
    display: inline-block;
    animation: emojiWave 2s ease-in-out infinite;
}

@keyframes emojiWave {

    0%,
    100% {
        transform: rotate(0deg);
    }

    25% {
        transform: rotate(-10deg);
    }

    75% {
        transform: rotate(10deg);
    }
}

.hero-description {
    font-size: 1.2rem;
    color: var(--course-text-muted);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 540px;
}

/* Fix for Light Theme (Index) */
body:not([class*="-page"]) .hero-description {
    color: var(--text-body);
}

body:not([class*="-page"]) .hero-description strong {
    color: var(--text-main);
}

.hero-description strong {
    color: var(--course-text);
}

.highlight-text {
    color: var(--course-accent);
    font-weight: 600;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 40px;
    padding: 20px 28px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--course-border);
    border-radius: 16px;
    backdrop-filter: blur(10px);
}

.hero-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.stat-icon {
    color: var(--course-accent);
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.stat-number {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--course-text);
    line-height: 1;
}

.stat-suffix {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--course-accent);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--course-text-muted);
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 50px;
    background: var(--course-border);
}

/* Hero CTAs */
.hero-ctas {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 32px;
}

.cta-primary {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--course-gradient);
    color: white;
    padding: 16px 28px;
    border-radius: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--course-transition);
    box-shadow: 0 10px 40px var(--course-accent-glow);
    position: relative;
    overflow: hidden;
}

.cta-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.6s;
}

.cta-primary:hover::before {
    left: 100%;
}

.cta-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 50px var(--course-accent-glow);
}

.cta-icon {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.cta-content {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.cta-main {
    font-size: 1rem;
    font-weight: 700;
}

.cta-sub {
    font-size: 0.8rem;
    opacity: 0.8;
}

.cta-arrow {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--course-transition);
}

.cta-primary:hover .cta-arrow {
    transform: translateX(5px);
    background: rgba(255, 255, 255, 0.2);
}

.cta-secondary {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--course-text-muted);
    font-weight: 600;
    padding: 16px 24px;
    border: 1px solid var(--course-border);
    border-radius: 16px;
    text-decoration: none;
    transition: var(--course-transition);
}

.cta-secondary i {
    font-size: 1.4rem;
    color: var(--course-accent);
}

.cta-secondary:hover {
    border-color: var(--course-accent);
    color: var(--course-text);
    background: rgba(255, 255, 255, 0.03);
}

/* Hero Trust */
.hero-trust {
    display: flex;
    gap: 28px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--course-text-muted);
    font-size: 0.9rem;
}

.trust-item i {
    color: var(--course-accent);
}

/* Hero Visual Column */
.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ═══════════════════════════════════════════════════════════════════════════
   LOADING SCREEN Y CURSOR CUSTOM
   ═══════════════════════════════════════════════════════════════════════════ */
.loading-screen {
    position: fixed;
    inset: 0;
    background: var(--course-bg);
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 60px;
    height: 60px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--course-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Custom Cursor */
.cursor-dot {
    width: 8px;
    height: 8px;
    background: var(--course-accent);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 99999;
    transition: transform 0.1s ease;
    mix-blend-mode: difference;
}

.cursor-outline {
    width: 40px;
    height: 40px;
    border: 2px solid var(--course-accent);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 99998;
    transition: all 0.15s ease;
    mix-blend-mode: difference;
    opacity: 0.5;
}

.cursor-outline.hovering {
    width: 60px;
    height: 60px;
    opacity: 1;
    background: rgba(255, 255, 255, 0.05);
}

/* Smooth Scroll */
.smooth-scroll {
    scroll-behavior: smooth;
}

/* AOS fallback: show content even si la animación no corre */
[data-aos] {
    opacity: 1 !important;
    transform: none !important;
}

/* Bloques críticos visibles aun sin AOS */
.benefit-card,
.method-step,
.level-card,
.testimonial-card,
.enrollment-box,
.faq-item {
    opacity: 1 !important;
    transform: none !important;
}

/* Glass Card */
.glass-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--course-border);
}

/* ═══════════════════════════════════════════════════════════════════════════
   CAUSA → EFECTO (Homeschool / Robotics)
   ═══════════════════════════════════════════════════════════════════════════ */
.cause-effect-section {
    padding: 48px 0;
    position: relative;
}

.ce-box {
    max-width: 1040px;
    margin: 0 auto;
    padding: 28px;
    border-radius: var(--course-radius);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--course-border);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.ce-content {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 24px;
    align-items: center;
}

.ce-cause,
.ce-effect {
    min-width: 0;
}

.ce-label {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: var(--course-radius-full);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--course-border);
    color: var(--course-text);
    font-weight: 800;
    letter-spacing: 0.12em;
    font-size: 0.75rem;
}

.ce-cause p,
.ce-effect p {
    margin-top: 12px;
    color: var(--course-text);
    font-size: 1.05rem;
    line-height: 1.6;
    overflow-wrap: anywhere;
}

.ce-cause strong,
.ce-effect strong {
    color: var(--course-accent-light);
    font-weight: 800;
}

.ce-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--course-border);
    color: var(--course-accent-light);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
}

.ce-arrow i {
    font-size: 1.2rem;
}

/* Accento por curso (usa variables del tema) */
.hs-ce-box {
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(16, 185, 129, 0.12);
}

.rb-ce-box {
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(6, 182, 212, 0.12);
}

/* ═══════════════════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }

    .hero-visual {
        order: -1;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-ctas {
        justify-content: center;
        flex-wrap: wrap;
    }

    .hero-trust {
        justify-content: center;
    }

    .title-highlight {
        justify-content: center;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 768px) {
    .course-nav-links {
        position: absolute;
        top: 80px;
        left: 16px;
        right: 16px;
        display: none;
        flex-direction: column;
        gap: 16px;
        padding: 20px;
        background: rgba(3, 7, 18, 0.95);
        border: 1px solid var(--course-border);
        border-radius: 16px;
        box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
        z-index: 1001;
    }

    .course-nav-links.active {
        display: flex;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .course-hero {
        padding: 120px 0 60px;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .stat-divider {
        width: 60px;
        height: 1px;
    }

    .hero-ctas {
        flex-direction: column;
        width: 100%;
    }

    .cta-primary,
    .cta-secondary {
        width: 100%;
        justify-content: center;
    }

    .hero-trust {
        flex-direction: column;
        gap: 12px;
    }

    .floating-num,
    .floating-icon,
    .code-line {
        display: none;
    }
}

@media (max-width: 768px) {
    .cause-effect-section {
        padding: 36px 0;
    }

    .ce-box {
        padding: 22px;
        border-radius: 18px;
    }

    .ce-content {
        grid-template-columns: 1fr;
        gap: 16px;
        text-align: left;
    }

    .ce-arrow {
        width: 44px;
        height: 44px;
        margin: 4px auto;
    }

    .ce-arrow i {
        transform: rotate(90deg);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .title-emoji {
        display: none;
    }

    .hero-description {
        font-size: 1rem;
    }
}

/* ═══════════════════════════════════════════════════════════════════════════
   SECCIONES ESPECÍFICAS DE CURSOS (Homeschool, MatheKids, etc.)
   ═══════════════════════════════════════════════════════════════════════════ */

/* --- Marquee Section --- */
.course-marquee {
    background: var(--course-accent);
    padding: 16px 0;
    overflow: hidden;
    white-space: nowrap;
    position: relative;
    z-index: 10;
    transform: rotate(-1deg) scale(1.02);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.marquee-container {
    display: inline-block;
    animation: marquee 30s linear infinite;
}

.marquee-content {
    display: flex;
    gap: 40px;
}

.marquee-item {
    color: var(--course-bg);
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 10px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.marquee-item i {
    font-size: 1.2rem;
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

/* --- Section Headers --- */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--course-border);
    border-radius: var(--course-radius-full);
    margin-bottom: 24px;
    color: var(--course-accent);
    font-weight: 600;
    font-size: 0.9rem;
}

.section-title {
    font-family: 'Poppins', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--course-text);
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--course-text-muted);
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto;
}

/* --- Problem/Solution Section --- */
.problem-solution-section {
    padding: 100px 0;
    background: var(--course-bg);
    position: relative;
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.comparison-column {
    border-radius: var(--course-radius);
    padding: 40px;
    transition: var(--course-transition);
}

.comparison-column.problems {
    background: rgba(239, 68, 68, 0.05);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.comparison-column.solutions {
    background: rgba(16, 185, 129, 0.05);
    /* Default green, will be overridden by theme vars if needed */
    border: 1px solid var(--course-accent);
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.2);
    transform: scale(1.02);
    position: relative;
    z-index: 2;
}

.hs-page .comparison-column.solutions {
    background: rgba(16, 185, 129, 0.08);
}

.column-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.column-header i {
    font-size: 2rem;
}

.problems .column-header i {
    color: #ef4444;
}

.solutions .column-header i {
    color: var(--course-accent);
}

.column-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--course-text);
}

.comparison-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.comparison-item {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 1.05rem;
    color: var(--course-text-muted);
}

.comparison-item i {
    width: 24px;
    text-align: center;
}

.problems .comparison-item i {
    color: #ef4444;
    opacity: 0.7;
}

.solutions .comparison-item i {
    color: var(--course-accent);
}

.solutions .comparison-item {
    color: var(--course-text);
    font-weight: 500;
}

/* --- Advantages Section --- */
.advantages-section {
    padding: 100px 0;
    background: var(--course-surface);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.advantage-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--course-border);
    border-radius: var(--course-radius);
    padding: 32px;
    transition: var(--course-transition);
    position: relative;
    overflow: hidden;
}

.advantage-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--course-accent);
}

.advantage-card.large {
    grid-column: span 2;
    /* Ocupa 2 columnas */
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
}

.advantage-icon {
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--course-accent);
    margin-bottom: 24px;
    transition: var(--course-transition);
}

.advantage-card:hover .advantage-icon {
    background: var(--course-accent);
    color: white;
    transform: scale(1.1) rotate(5deg);
}

.advantage-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--course-text);
    margin-bottom: 12px;
}

.advantage-card p {
    color: var(--course-text-muted);
    line-height: 1.6;
    font-size: 0.95rem;
}

.advantage-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 16px;
    padding: 6px 12px;
    background: var(--course-accent);
    color: white;
    border-radius: var(--course-radius-full);
    font-size: 0.8rem;
    font-weight: 600;
}

/* --- Levels Section --- */
.levels-section {
    padding: 100px 0;
    background: var(--course-bg);
}

.education-levels {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    align-items: center;
    /* Para que el featured destaque */
}

.level-box {
    background: var(--course-surface);
    border: 1px solid var(--course-border);
    border-radius: var(--course-radius);
    overflow: hidden;
    transition: var(--course-transition);
    position: relative;
}

.level-box:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.level-box.featured {
    transform: scale(1.05);
    border-color: var(--course-accent);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    z-index: 2;
}

.level-box.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.level-popular {
    background: var(--course-accent);
    color: white;
    text-align: center;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 6px;
    letter-spacing: 0.1em;
}

.level-header {
    padding: 32px;
    text-align: center;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--course-border);
}

.level-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--course-accent);
}

.level-header h3 {
    font-size: 1.5rem;
    color: var(--course-text);
    margin-bottom: 8px;
}

.level-ages {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 100px;
    font-size: 0.85rem;
    color: var(--course-text-muted);
}

.level-body {
    padding: 32px;
}

.level-features {
    margin-bottom: 24px;
}

.level-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--course-text-muted);
    font-size: 0.95rem;
}

.level-features li i {
    color: var(--course-accent);
    font-size: 0.9rem;
}

.level-time {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding-top: 20px;
    border-top: 1px solid var(--course-border);
    color: var(--course-text);
    font-weight: 600;
    font-size: 0.9rem;
}

/* --- Program Timeline --- */
.program-section {
    padding: 100px 0;
    background: var(--course-surface);
}

.program-timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.program-timeline::before {
    content: '';
    position: absolute;
    left: 40px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, transparent, var(--course-accent), transparent);
}

.timeline-step {
    display: flex;
    gap: 32px;
    margin-bottom: 48px;
    position: relative;
}

.step-number {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
    background: var(--course-bg);
    border: 2px solid var(--course-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 800;
    color: var(--course-accent);
    z-index: 2;
    box-shadow: 0 0 20px var(--course-accent-glow);
}

.step-content {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--course-border);
    border-radius: var(--course-radius);
    padding: 24px 32px;
    flex-grow: 1;
    transition: var(--course-transition);
}

.timeline-step:hover .step-content {
    border-color: var(--course-accent);
    transform: translateX(10px);
    background: rgba(255, 255, 255, 0.05);
}

.step-content h3 {
    font-size: 1.25rem;
    color: var(--course-text);
    margin-bottom: 8px;
}

.step-content p {
    color: var(--course-text-muted);
    line-height: 1.6;
}

/* --- Testimonials --- */
.testimonials-section {
    padding: 100px 0;
    background: var(--course-bg);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: var(--course-surface);
    border: 1px solid var(--course-border);
    border-radius: var(--course-radius);
    padding: 32px;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.testimonial-card.featured {
    border-color: var(--course-accent);
    background: linear-gradient(145deg, var(--course-surface), rgba(255, 255, 255, 0.03));
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    transform: scale(1.05);
    z-index: 2;
}

.testimonial-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 24px;
}

.testimonial-avatar img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid var(--course-accent);
    margin-bottom: 16px;
}

.testimonial-info h4 {
    color: var(--course-text);
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.testimonial-info span {
    color: var(--course-text-muted);
    font-size: 0.85rem;
}

.testimonial-stars {
    color: #f59e0b;
    margin-top: 12px;
    font-size: 0.9rem;
}

.testimonial-quote {
    color: var(--course-text-muted);
    font-style: italic;
    text-align: center;
    margin-bottom: 24px;
    flex-grow: 1;
    line-height: 1.6;
}

.testimonial-result {
    background: rgba(255, 255, 255, 0.05);
    padding: 12px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--course-accent);
    font-weight: 600;
    font-size: 0.9rem;
}

/* --- Enrollment Section --- */
.enrollment-section {
    padding: 100px 0;
    background: var(--course-surface);
}

.enrollment-box {
    background: var(--course-gradient-bg);
    border: 1px solid var(--course-border);
    border-radius: 32px;
    padding: 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--course-shadow);
}

.enrollment-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--course-gradient);
}

.enrollment-badge {
    display: inline-block;
    background: var(--course-accent);
    color: white;
    padding: 6px 16px;
    border-radius: 100px;
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    margin-bottom: 24px;
}

.enrollment-header h2 {
    font-size: 2.5rem;
    color: var(--course-text);
    margin-bottom: 16px;
}

.enrollment-header p {
    color: var(--course-text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 40px;
}

.enrollment-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    text-align: left;
    max-width: 900px;
    margin: 0 auto;
    align-items: center;
}

.enrollment-includes h3 {
    color: var(--course-text);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.enrollment-includes ul {
    list-style: none;
}

.enrollment-includes li {
    margin-bottom: 16px;
    color: var(--course-text-muted);
    display: flex;
    align-items: center;
    gap: 12px;
}

.enrollment-includes li i {
    color: var(--course-accent);
}

.enrollment-cta {
    background: rgba(255, 255, 255, 0.03);
    padding: 32px;
    border-radius: 24px;
    border: 1px solid var(--course-border);
    text-align: center;
}

.price-box {
    margin-bottom: 24px;
}

.price-label {
    color: var(--course-text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
}

.price-current {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--course-text);
    margin: 8px 0;
}

.price-note {
    color: var(--course-accent);
    font-size: 0.85rem;
}

.enroll-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: #25D366;
    color: white;
    padding: 16px 24px;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--course-transition);
    margin-bottom: 16px;
}

.enroll-cta:hover {
    background: #128C7E;
    transform: translateY(-2px);
}

.enroll-note {
    font-size: 0.8rem;
    color: var(--course-text-muted);
}

/* --- JuniorMath Custom Blocks --- */
.jm-section {
    padding: 100px 0;
    background: var(--course-bg);
}

.jm-section.alt {
    background: var(--course-surface);
}

.jm-bento-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.jm-bento-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--course-border);
    border-radius: 20px;
    padding: 26px;
    display: grid;
    gap: 12px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
    transition: var(--course-transition);
    position: relative;
    overflow: hidden;
}

.jm-bento-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 20%, rgba(37, 99, 235, 0.2), transparent 40%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.jm-bento-card:hover {
    transform: translateY(-6px);
    border-color: rgba(37, 99, 235, 0.35);
}

.jm-bento-card:hover::after {
    opacity: 1;
}

.jm-bento-icon {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: rgba(37, 99, 235, 0.12);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--course-accent-light);
    font-size: 1.2rem;
}

.jm-bento-card h3 {
    color: var(--course-text);
    font-size: 1.2rem;
    font-weight: 700;
}

.jm-bento-card p {
    color: var(--course-text-muted);
    line-height: 1.6;
}

.jm-meta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 6px;
}

.jm-pill {
    padding: 6px 12px;
    background: rgba(37, 99, 235, 0.14);
    color: #bfdbfe;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.85rem;
}

.jm-offer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.jm-offer-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--course-border);
    border-radius: 18px;
    padding: 22px;
    display: grid;
    gap: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
}

.jm-offer-card strong {
    color: var(--course-text);
}

.jm-offer-card span {
    color: var(--course-text-muted);
    font-size: 0.95rem;
}

.jm-offer-price {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(14, 165, 233, 0.08));
    border: 1px solid rgba(37, 99, 235, 0.3);
    border-radius: 20px;
    padding: 22px;
    display: grid;
    gap: 8px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}

.jm-price-tag {
    font-size: 2rem;
    font-weight: 800;
    color: var(--course-text);
}

.jm-bonus-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(16, 185, 129, 0.12);
    color: #bbf7d0;
    font-weight: 700;
    font-size: 0.95rem;
}

.jm-proof-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 18px;
}

.jm-proof-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--course-border);
    border-radius: 16px;
    padding: 20px;
    display: grid;
    gap: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.jm-proof-card p {
    color: var(--course-text-muted);
    line-height: 1.6;
}

.jm-proof-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--course-text);
    font-weight: 700;
}

.jm-cta-banner {
    margin-top: 30px;
    padding: 22px;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.15), rgba(14, 165, 233, 0.12));
    border: 1px solid rgba(37, 99, 235, 0.3);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.jm-cta-banner p {
    color: var(--course-text);
    font-weight: 700;
}

.jm-cta-banner .cta-btn {
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: white;
    padding: 12px 22px;
    border-radius: 14px;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 10px 30px rgba(22, 163, 74, 0.35);
}

/* --- FAQ Section --- */
.faq-section {
    padding: 100px 0;
    background: var(--course-bg);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: var(--course-surface);
    border: 1px solid var(--course-border);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--course-transition);
}

.faq-item[open] {
    border-color: var(--course-accent);
    background: rgba(255, 255, 255, 0.03);
}

.faq-item summary {
    padding: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    color: var(--course-text);
    list-style: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary i {
    color: var(--course-accent);
    transition: transform 0.3s ease;
}

.faq-item[open] summary i {
    transform: rotate(45deg);
}

.faq-content {
    padding: 0 24px 24px;
    color: var(--course-text-muted);
    line-height: 1.6;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 16px;
}

/* --- Footer --- */
.course-footer {
    background: #020617;
    /* Darker than bg */
    padding: 80px 0 40px;
    border-top: 1px solid var(--course-border);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand h3 {
    font-size: 1.5rem;
    color: var(--course-text);
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--course-text-muted);
    max-width: 300px;
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 16px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--course-text);
    transition: var(--course-transition);
}

.footer-social a:hover {
    background: var(--course-accent);
    color: white;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--course-text);
    margin-bottom: 24px;
    font-size: 1.1rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--course-text-muted);
    text-decoration: none;
    transition: var(--course-transition);
}

.footer-links a:hover {
    color: var(--course-accent);
    padding-left: 5px;
}

.footer-contact p {
    color: var(--course-text-muted);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-contact i {
    color: var(--course-accent);
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--course-border);
    color: var(--course-text-muted);
    font-size: 0.9rem;
}

/* --- Responsive Adjustments for New Sections --- */
@media (max-width: 1024px) {
    .comparison-grid {
        grid-template-columns: 1fr;
    }

    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .advantage-card.large {
        grid-column: span 2;
    }

    .education-levels {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

    .level-box.featured {
        transform: scale(1);
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .enrollment-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .advantages-grid {
        grid-template-columns: 1fr;
    }

    .advantage-card.large {
        grid-column: span 1;
    }

    .program-timeline::before {
        left: 20px;
    }

    .timeline-step {
        flex-direction: column;
        gap: 16px;
        padding-left: 40px;
    }

    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
        position: absolute;
        left: 0;
        top: 0;
    }

    .enrollment-box {
        padding: 32px 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* ═══════════════════════════════════════════════════════════════════════════
   COMPONENTES VISUALES (Hero Visuals, Floating Cards)
   ═══════════════════════════════════════════════════════════════════════════ */

.visual-container {
    position: relative;
    width: 100%;
    max-width: 500px;
    aspect-ratio: 4/5;
    margin: 0 auto;
}

.visual-main {
    width: 100%;
    height: 100%;
    border-radius: 32px;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--course-border);
    transform: rotate(-3deg);
    transition: var(--course-transition);
    box-shadow: var(--course-shadow);
}

.visual-main:hover {
    transform: rotate(0deg) scale(1.02);
}

.main-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(3, 7, 18, 0.8), transparent);
}

/* Floating Cards */
.float-card {
    position: absolute;
    background: rgba(17, 24, 39, 0.8);
    /* course-surface with opacity */
    border: 1px solid var(--course-border);
    border-radius: 16px;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(12px);
    z-index: 10;
    animation: float 6s ease-in-out infinite;
    min-width: 140px;
}

.card-1 {
    top: 15%;
    left: -30px;
    animation-delay: 0s;
}

.card-2 {
    bottom: 20%;
    right: -30px;
    animation-delay: 2s;
}

.card-3 {
    top: 50%;
    right: -50px;
    animation-delay: 4s;
}

.card-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--course-accent);
    font-size: 1.2rem;
}

.card-content {
    display: flex;
    flex-direction: column;
}

.card-value {
    font-weight: 700;
    color: var(--course-text);
    line-height: 1.2;
    font-size: 0.95rem;
}

.card-label {
    font-size: 0.75rem;
    color: var(--course-text-muted);
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-15px);
    }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--course-text-muted);
    font-size: 0.8rem;
    opacity: 0.7;
    animation: fadeIn 1s ease-out 2s backwards;
}

.scroll-mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--course-text-muted);
    border-radius: 20px;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--course-accent);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s infinite;
}

@keyframes scrollWheel {
    0% {
        top: 6px;
        opacity: 1;
    }

    100% {
        top: 20px;
        opacity: 0;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translate(-50%, 20px);
    }

    to {
        opacity: 0.7;
        transform: translate(-50%, 0);
    }
}

/* ═══════════════════════════════════════════════════════════════════════════
   WIDGETS ESPECÍFICOS (Calendar, Abacus)
   ═══════════════════════════════════════════════════════════════════════════ */

/* Homeschool Calendar Widget */
.calendar-widget {
    position: absolute;
    bottom: -20px;
    left: 40px;
    background: var(--course-surface);
    border: 1px solid var(--course-border);
    border-radius: 16px;
    padding: 16px;
    width: 240px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    z-index: 11;
    transform: rotate(5deg);
    transition: var(--course-transition);
}

.calendar-widget:hover {
    transform: rotate(0deg) scale(1.05);
    z-index: 20;
}

.calendar-header {
    font-weight: 700;
    color: var(--course-accent);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--course-border);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.calendar-body {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.calendar-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--course-text-muted);
    padding: 8px 10px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.02);
}

.calendar-item.active {
    background: rgba(255, 255, 255, 0.05);
    color: var(--course-text);
    border-left: 3px solid var(--course-accent);
}

/* MatheKids Abacus Animation */
.abacus-animation {
    position: absolute;
    bottom: 30px;
    left: -20px;
    background: #fef3c7;
    /* Light wood/paper */
    padding: 12px;
    border-radius: 12px;
    border: 4px solid #78350f;
    /* Wood color */
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    z-index: 12;
    transform: rotate(-5deg);
    width: 180px;
}

.abacus-row {
    display: flex;
    justify-content: space-between;
    gap: 4px;
    margin-bottom: 8px;
    position: relative;
}

.abacus-row::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    background: #000;
    z-index: 0;
}

.abacus-bead {
    width: 30px;
    height: 20px;
    background: radial-gradient(circle at 30% 30%, #ef4444, #991b1b);
    border-radius: 50%;
    position: relative;
    z-index: 1;
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.2);
}

.abacus-bead.active {
    transform: translateY(5px);
    /* Simple movement simulation */
}

/* ═══════════════════════════════════════════════════════════════════════════
   MATHEKIDS - ESTILOS ESPECÍFICOS
   ═══════════════════════════════════════════════════════════════════════════ */

/* --- Floating Numbers Animation --- */
.floating-numbers {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.floating-num {
    position: absolute;
    left: var(--x);
    top: var(--y);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--course-accent);
    opacity: 0.15;
    animation: floatNumber 6s ease-in-out infinite;
    animation-delay: var(--delay);
}

@keyframes floatNumber {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
        opacity: 0.15;
    }

    50% {
        transform: translateY(-20px) rotate(10deg);
        opacity: 0.25;
    }
}

/* --- Benefits Section --- */
.benefits-section {
    padding: 100px 0;
    background: var(--course-surface);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.benefit-card {
    background: var(--course-bg);
    border: 1px solid var(--course-border);
    border-radius: var(--course-radius);
    padding: 40px 32px;
    position: relative;
    overflow: hidden;
    transition: var(--course-transition);
}

.benefit-card:hover {
    transform: translateY(-10px);
    border-color: var(--course-accent);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.benefit-number {
    position: absolute;
    top: 20px;
    right: 20px;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.03);
    line-height: 1;
}

.benefit-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--course-accent), var(--course-accent-light));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    margin-bottom: 24px;
    box-shadow: 0 10px 30px var(--course-accent-glow);
}

.benefit-card h3 {
    font-size: 1.25rem;
    color: var(--course-text);
    margin-bottom: 12px;
}

.benefit-card p {
    font-size: 0.95rem;
    color: var(--course-text-muted);
    line-height: 1.6;
    margin-bottom: 24px;
}

.benefit-metric {
    display: flex;
    align-items: baseline;
    gap: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--course-border);
}

.metric-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--course-accent);
}

.metric-label {
    font-size: 0.85rem;
    color: var(--course-text-muted);
}

/* --- Method Section --- */
.method-section {
    padding: 100px 0;
    background: var(--course-bg);
}

.method-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.method-visual .visual-frame {
    position: relative;
    border-radius: var(--course-radius);
    overflow: hidden;
    box-shadow: var(--course-shadow);
}

.method-visual .visual-frame img {
    width: 100%;
    height: auto;
    display: block;
}

.method-visual .visual-badge {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: var(--course-accent);
    color: white;
    padding: 10px 16px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.method-steps {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.method-step {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--course-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 10px 30px var(--course-accent-glow);
}

.step-content h3 {
    font-size: 1.2rem;
    color: var(--course-text);
    margin-bottom: 8px;
}

.step-content p {
    font-size: 0.95rem;
    color: var(--course-text-muted);
    line-height: 1.6;
}

/* --- Levels Section (Timeline) --- */
.levels-section {
    padding: 100px 0;
    background: var(--course-surface);
}

.levels-timeline {
    display: flex;
    justify-content: space-between;
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding-top: 40px;
}

.timeline-line {
    position: absolute;
    top: 75px;
    left: 10%;
    width: 80%;
    height: 4px;
    background: var(--course-border);
    border-radius: 2px;
}

.timeline-line::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 50%;
    height: 100%;
    background: var(--course-gradient);
    border-radius: 2px;
}

.level-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 2;
    width: 200px;
}

.level-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: white;
    margin-bottom: 20px;
    border: 4px solid var(--course-bg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: var(--course-transition);
}

.level-card:hover .level-icon {
    transform: scale(1.15);
}

.level-icon.beginner {
    background: linear-gradient(135deg, #22c55e, #16a34a);
}

.level-icon.intermediate {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.level-icon.advanced {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

.level-icon.expert {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.level-content {
    background: var(--course-bg);
    border: 1px solid var(--course-border);
    border-radius: var(--course-radius);
    padding: 24px 20px;
    width: 100%;
    transition: var(--course-transition);
}

.level-card:hover .level-content {
    border-color: var(--course-accent);
    background: rgba(255, 255, 255, 0.02);
}

.level-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--course-accent);
    background: rgba(255, 255, 255, 0.05);
    padding: 4px 10px;
    border-radius: 100px;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.level-content h3 {
    font-size: 1.1rem;
    color: var(--course-text);
    margin-bottom: 8px;
}

.level-content p {
    font-size: 0.85rem;
    color: var(--course-text-muted);
    line-height: 1.5;
}

/* --- MatheKids Responsive --- */
@media (max-width: 1024px) {
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .method-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .levels-timeline {
        flex-wrap: wrap;
        gap: 30px;
        justify-content: center;
    }

    .timeline-line {
        display: none;
    }

    .level-card {
        width: 45%;
    }
}

@media (max-width: 768px) {
    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .level-card {
        width: 100%;
        max-width: 300px;
    }

    .abacus-animation {
        display: none;
    }
}

/* ═══════════════════════════════════════════════════════════════════════════
   ROBOTICS CODE - ESTILOS ESPECÍFICOS
   ═══════════════════════════════════════════════════════════════════════════ */

/* --- Hero Tech Icons --- */
.hero-tech {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--course-border);
}

.tech-label {
    font-size: 0.9rem;
    color: var(--course-text-muted);
    font-weight: 600;
}

.tech-icons {
    display: flex;
    gap: 12px;
}

.tech-icon {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--course-text-muted);
    font-size: 1.2rem;
    transition: var(--course-transition);
}

.tech-icon:hover {
    background: var(--course-accent);
    color: white;
    transform: translateY(-3px);
}

/* --- Terminal Widget --- */
.terminal-widget {
    position: absolute;
    bottom: -30px;
    right: -20px;
    width: 280px;
    background: #1e1e1e;
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    border: 1px solid #333;
    overflow: hidden;
    font-family: 'JetBrains Mono', monospace;
    z-index: 12;
    transform: rotate(-5deg);
    transition: var(--course-transition);
}

.terminal-widget:hover {
    transform: rotate(0deg) scale(1.05);
    z-index: 20;
}

.terminal-header {
    background: #2d2d2d;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    border-bottom: 1px solid #333;
}

.terminal-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.terminal-dot.red {
    background: #ff5f56;
}

.terminal-dot.yellow {
    background: #ffbd2e;
}

.terminal-dot.green {
    background: #27c93f;
}

.terminal-title {
    margin-left: auto;
    margin-right: auto;
    color: #999;
    font-size: 0.75rem;
}

.terminal-body {
    padding: 16px;
    font-size: 0.85rem;
    line-height: 1.5;
}

.terminal-line {
    margin-bottom: 4px;
    color: #d4d4d4;
}

.terminal-line.indent {
    padding-left: 20px;
}

.code-keyword {
    color: #c586c0;
}

.code-function {
    color: #dcdcaa;
}

.code-string {
    color: #ce9178;
}

.terminal-prompt {
    color: #4ec9b0;
}

.code-cursor {
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

/* --- Why Code Section --- */
.why-code-section {
    padding: 100px 0;
    background: var(--course-bg);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.why-card {
    background: var(--course-surface);
    border: 1px solid var(--course-border);
    border-radius: var(--course-radius);
    padding: 32px 24px;
    transition: var(--course-transition);
    position: relative;
    overflow: hidden;
}

.why-card:hover {
    transform: translateY(-10px);
    border-color: var(--course-accent);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.why-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--course-accent);
    margin-bottom: 20px;
}

.why-card h3 {
    font-size: 1.1rem;
    color: var(--course-text);
    margin-bottom: 12px;
}

.why-card p {
    font-size: 0.9rem;
    color: var(--course-text-muted);
    margin-bottom: 20px;
    line-height: 1.5;
}

.why-stat {
    padding-top: 16px;
    border-top: 1px solid var(--course-border);
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--course-text);
    font-family: 'Space Grotesk', sans-serif;
}

.stat-desc {
    font-size: 0.75rem;
    color: var(--course-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* --- Courses Grid (Large Cards) --- */
.courses-section {
    padding: 100px 0;
    background: var(--course-surface);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.course-card-large {
    background: var(--course-bg);
    border: 1px solid var(--course-border);
    border-radius: var(--course-radius);
    overflow: hidden;
    transition: var(--course-transition);
    position: relative;
    display: flex;
    flex-direction: column;
}

.course-card-large:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.course-card-large.featured {
    border-color: var(--course-accent);
    transform: scale(1.05);
    z-index: 2;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.course-card-large.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.popular-ribbon {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--course-accent);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 6px 12px;
    border-bottom-left-radius: 12px;
    z-index: 5;
}

.course-level {
    padding: 24px;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--course-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.level-tag {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--course-text);
}

.kids .level-tag {
    background: rgba(34, 197, 94, 0.2);
    color: #4ade80;
}

.junior .level-tag {
    background: rgba(245, 158, 11, 0.2);
    color: #fbbf24;
}

.pro .level-tag {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
}

.level-ages {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    color: var(--course-text);
}

.course-card-content {
    padding: 32px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.course-card-content h3 {
    font-size: 1.75rem;
    color: var(--course-text);
    margin-bottom: 12px;
}

.code-accent {
    color: var(--course-accent);
    font-family: 'JetBrains Mono', monospace;
}

.course-card-content p {
    color: var(--course-text-muted);
    margin-bottom: 24px;
    font-size: 0.95rem;
}

.course-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 32px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--course-text-muted);
}

.feature i {
    color: var(--course-accent);
}

.course-projects {
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid var(--course-border);
}

.course-projects h4 {
    font-size: 0.85rem;
    color: var(--course-text);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.project-tag {
    font-size: 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 4px 10px;
    border-radius: 100px;
    color: var(--course-text-muted);
    border: 1px solid var(--course-border);
}

/* --- Technologies Section --- */
.technologies-section {
    padding: 100px 0;
    background: var(--course-bg);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}

.tech-card {
    background: var(--course-surface);
    border: 1px solid var(--course-border);
    border-radius: 16px;
    padding: 24px 16px;
    text-align: center;
    transition: var(--course-transition);
}

.tech-card:hover {
    transform: translateY(-5px);
    border-color: var(--course-accent);
    background: rgba(255, 255, 255, 0.03);
}

.tech-logo {
    width: 60px;
    height: 60px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--course-text-muted);
    transition: var(--course-transition);
}

.tech-card:hover .tech-logo {
    color: var(--course-accent);
    transform: scale(1.1);
}

.tech-card h4 {
    color: var(--course-text);
    font-size: 1rem;
    margin-bottom: 8px;
}

.tech-card p {
    font-size: 0.8rem;
    color: var(--course-text-muted);
    line-height: 1.4;
}

/* --- Projects Gallery --- */
.projects-section {
    padding: 100px 0;
    background: var(--course-surface);
}

.projects-gallery {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.project-item {
    border-radius: 16px;
    overflow: hidden;
    background: var(--course-bg);
    border: 1px solid var(--course-border);
    transition: var(--course-transition);
}

.project-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.project-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-item:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 12px;
    left: 12px;
}

.project-category {
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    backdrop-filter: blur(4px);
}

.project-info {
    padding: 20px;
}

.project-info h4 {
    color: var(--course-text);
    font-size: 1.1rem;
    margin-bottom: 6px;
}

.project-info p {
    color: var(--course-text-muted);
    font-size: 0.85rem;
    margin-bottom: 12px;
    line-height: 1.4;
}

.project-author {
    font-size: 0.8rem;
    color: var(--course-accent);
    font-style: italic;
}

/* --- Enrollment Specifics --- */
.code-decoration {
    font-family: 'JetBrains Mono', monospace;
    color: var(--course-accent);
    opacity: 0.7;
    margin-bottom: 16px;
    font-size: 0.9rem;
    display: block;
}

/* --- Floating WhatsApp Button --- */
.floating-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: white;
    text-decoration: none;
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--course-transition);
}

.floating-whatsapp:hover {
    transform: scale(1.1) translateY(-5px);
    box-shadow: 0 15px 40px rgba(37, 211, 102, 0.5);
}

/* --- Responsive Adjustments for Robotics --- */
@media (max-width: 1024px) {
    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .courses-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin: 0 auto;
    }

    .course-card-large.featured {
        transform: scale(1);
    }

    .tech-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .projects-gallery {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .why-grid {
        grid-template-columns: 1fr;
    }

    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .projects-gallery {
        grid-template-columns: 1fr;
    }

    .terminal-widget {
        display: none;
    }
}

/* ═══════════════════════════════════════════════════════════════════════════
   BOOKING WIDGET
   ═══════════════════════════════════════════════════════════════════════════ */
.course-booking-card {
    max-width: 900px;
    margin: 0 auto;
    padding: 0;
    overflow: hidden;
    background: var(--course-surface);
    border: 1px solid var(--course-border);
    border-radius: var(--course-radius);
    box-shadow: var(--course-shadow);
}

.course-booking-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    min-height: 500px;
}

.course-booking-sidebar {
    background: rgba(255, 255, 255, 0.03);
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border-right: 1px solid var(--course-border);
}

/* MatheKids specific override */
.mk-page .course-booking-sidebar {
    background: rgba(245, 158, 11, 0.1);
    border-right-color: rgba(245, 158, 11, 0.2);
}

.course-booking-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--course-text);
}

.course-booking-list {
    list-style: none;
    padding: 0;
    color: var(--course-text-muted);
    font-size: 1rem;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.course-booking-list li {
    display: flex;
    gap: 10px;
    align-items: center;
}

.course-booking-list i {
    color: var(--course-accent);
}

.course-booking-note {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
}

.course-booking-form-container {
    padding: 40px;
    position: relative;
}

.course-booking-step-title {
    font-size: 1.5rem;
    margin-bottom: 25px;
    font-family: 'Space Grotesk', sans-serif;
    color: var(--course-text);
}

.course-form-group {
    margin-bottom: 20px;
}

.course-form-label {
    display: block;
    margin-bottom: 8px;
    color: var(--course-text-muted);
    font-size: 0.9rem;
}

.course-form-input,
.course-form-select {
    width: 100%;
    padding: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: white;
    outline: none;
    transition: var(--course-transition);
}

.course-form-input:focus,
.course-form-select:focus {
    border-color: var(--course-accent);
    background: rgba(255, 255, 255, 0.1);
}

.course-time-slot {
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
    color: white;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.course-time-slot:hover {
    background: var(--course-accent);
    border-color: var(--course-accent);
}

.course-time-slot.selected {
    background: var(--course-accent);
    border-color: var(--course-accent);
    color: white;
    font-weight: bold;
    box-shadow: 0 0 15px var(--course-accent-glow);
}

.course-time-slot:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    background: rgba(255, 255, 255, 0.02);
    text-decoration: line-through;
    color: #ef4444;
    border-color: rgba(239, 68, 68, 0.2);
}

.course-slots-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    max-height: 300px;
    overflow-y: auto;
}

@media (max-width: 768px) {
    .course-booking-grid {
        grid-template-columns: 1fr;
    }

    .course-booking-sidebar {
        border-right: none;
        border-bottom: 1px solid var(--course-border);
    }
}